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Phosphoric acid

Catalog No. 438081 Name Sigma Aldrich
CAS Number 7664-38-2 Website http://www.sigmaaldrich.com
M. F. H3O4P Telephone 1-800-521-8956
M. W. 97.995181 Fax
Purity Email
Storage Chembase ID: 105870

SYNONYMS

Title
磷酸
IUPAC name
phosphoric acid
IUPAC Traditional name
phosphoric acid
Synonyms
Orthophosphoric acid
正磷酸

DATABASE IDS

Beilstein Number 1921286
PubChem SID 24867422
EC Number 231-633-2
MDL Number MFCD00011340
CAS Number 7664-38-2

PROPERTIES

Antion Traces chloride (Cl-): ≤3 ppm
Antion Traces nitrate (NO3-): ≤5 ppm
Antion Traces sulfate (SO42-): ≤0.003%
Cation Traces As: ≤1 ppm
Cation Traces Ca: ≤0.002%
Cation Traces Fe: ≤0.003%
Cation Traces K: ≤0.005%
Cation Traces Mg: ≤0.02%
Cation Traces Mn: ≤0.5 ppm
Cation Traces Na: ≤0.025%
Cation Traces Sb: ≤0.002%
Cation Traces heavy metals (as Pb): ≤0.001%
Concentration ≥85 wt. % in H2O
Grade ACS reagent
Impurities Reducing substances, passes test
Impurities ≤0.001% volatile acids (as CH3COOH)
Linear Formula H3PO4
Gene Information human ... SRC(6714)
Apperance APHA: ≤10
Boiling Point 158 °C(lit.)
Density 1.685 g/mL at 25 °C(lit.)
Melting Point ~40 °C(lit.)
Vapor Density 3.4 (vs air)
Vapor Pressure 2.2 mmHg ( 20 °C)
Vapor Pressure 5 mmHg ( 25 °C)
GHS Pictograms GHS05
GHS Signal Word Danger
GHS Hazard statements H314
European Hazard Symbols Corrosive Corrosive (C)
MSDS Link Download
Personal Protective Equipment Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
GHS Precautionary statements P280-P305 + P351 + P338-P310
RID/ADR UN 1805 8/PG 3
Risk Statements 34
Safety Statements 26-45
Hazard Class 8
UN Number 1805
Packing Group 3
German water hazard class 1

DETAILS

Description (English)
Other Notes
Concentrated phosphoric acid is approx. 85% H3PO4 (aqueous).
Packaging
2.5, 6×2.5 L in PVC coated
Packaged in poly-coated bottles
20 L in poly drum
500, 6×500 mL in PVC coated
Description (简体中文)
Other Notes
浓磷酸大约为 85% H3PO4(水溶液)。
包装
2.5, 6×2.5 L in PVC coated
塑料瓶包装
20 L in poly drum
500, 6×500 mL in PVC coated

REFERENCES